I guess my account is just a free points page FREE POINTS!! also whats 2+2 (i dont want anyone reporting this lol)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Answer asap! urgent! will give brainliest!